A student rides her bicycle down a hill. Together, she and the bicycle have a mass of 56 kilograms. She is moving at 11 meters per second. What is her kinetic energy?(1 point)
Responses
6,776 J
6,776 J
3,388 J
3,388 J
17,248 J
17,248 J
13,552 J
3,388 J
Explanation:
The formula for kinetic energy is KE = 1/2 * mass * velocity^2
KE = 1/2 * 56 kg * (11 m/s)^2
KE = 1/2 * 56 kg * 121 m^2/s^2
KE = 28 * 121
KE = 3,388 J
Therefore, the kinetic energy is 3,388 J.